EP4139208A4 - Staggered wheel landing gear truck beam - Google Patents

Staggered wheel landing gear truck beam Download PDF

Info

Publication number
EP4139208A4
EP4139208A4 EP21796588.8A EP21796588A EP4139208A4 EP 4139208 A4 EP4139208 A4 EP 4139208A4 EP 21796588 A EP21796588 A EP 21796588A EP 4139208 A4 EP4139208 A4 EP 4139208A4
Authority
EP
European Patent Office
Prior art keywords
landing gear
truck beam
wheel landing
gear truck
staggered wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21796588.8A
Other languages
German (de)
French (fr)
Other versions
EP4139208A2 (en
Inventor
Adam LUCCI
Randy Lee
Gregory EGGERS
Zoran PASIC
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Landing Systems Canada Inc
Original Assignee
Safran Landing Systems Canada Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Safran Landing Systems Canada Inc filed Critical Safran Landing Systems Canada Inc
Publication of EP4139208A2 publication Critical patent/EP4139208A2/en
Publication of EP4139208A4 publication Critical patent/EP4139208A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/34—Alighting gear characterised by elements which contact the ground or similar surface  wheeled type, e.g. multi-wheeled bogies
    • B64C25/36—Arrangements or adaptations of wheels, tyres or axles in general
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/02—Undercarriages
    • B64C25/08—Undercarriages non-fixed, e.g. jettisonable
    • B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
    • B64C25/18—Operating mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/42—Arrangement or adaptation of brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/42—Arrangement or adaptation of brakes
    • B64C25/44—Actuating mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/58—Arrangements or adaptations of shock-absorbers or springs
    • B64C25/60—Oleo legs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Retarders (AREA)
  • Vehicle Body Suspensions (AREA)
  • Gear Transmission (AREA)
EP21796588.8A 2020-04-23 2021-04-20 Staggered wheel landing gear truck beam Pending EP4139208A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/856,949 US11383827B2 (en) 2020-04-23 2020-04-23 Staggered wheel landing gear truck beam
PCT/US2021/028213 WO2021221958A2 (en) 2020-04-23 2021-04-20 Staggered wheel landing gear truck beam

Publications (2)

Publication Number Publication Date
EP4139208A2 EP4139208A2 (en) 2023-03-01
EP4139208A4 true EP4139208A4 (en) 2024-03-27

Family

ID=78221700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21796588.8A Pending EP4139208A4 (en) 2020-04-23 2021-04-20 Staggered wheel landing gear truck beam

Country Status (4)

Country Link
US (1) US11383827B2 (en)
EP (1) EP4139208A4 (en)
CN (1) CN116018302A (en)
WO (1) WO2021221958A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2842326A (en) * 1954-03-23 1958-07-08 English Electric Co Ltd Aircraft undercarriage
US5263664A (en) * 1992-03-03 1993-11-23 Messier-Bugatti Raisable landing gear
US20190308720A1 (en) * 2018-04-04 2019-10-10 Safran Landing Systems "umbrella-folding" aircraft undercarriage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490485A (en) * 1947-10-30 1949-12-06 Republic Aviat Corp Tandem wheel landing gear assembly
DE1272736B (en) 1966-08-24 1968-07-11 Dornier Gmbh The aircraft landing gear can be pivoted about an axis extending in the aircraft longitudinal direction
US3974988A (en) * 1974-12-23 1976-08-17 The Boeing Company Three-wheel landing gear assembly
FR2707947B1 (en) 1993-07-19 1995-10-06 Messier Bugatti Aircraft landing gear, of the side lift type.
FR2725178B1 (en) 1994-10-04 1996-10-25 Messier Eram AIRCRAFT LANDING TRAIN, SIDE LIFT TYPE
FR2805799B1 (en) 2000-03-02 2002-06-14 Messier Dowty Sa AIRCRAFT ATTACHER WITH HIGHLY DEPENDENT LEG PIVOTATION AXIS
GB2428650B (en) * 2005-08-04 2011-01-12 Messier Dowty Ltd Landing gear

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2842326A (en) * 1954-03-23 1958-07-08 English Electric Co Ltd Aircraft undercarriage
US5263664A (en) * 1992-03-03 1993-11-23 Messier-Bugatti Raisable landing gear
US20190308720A1 (en) * 2018-04-04 2019-10-10 Safran Landing Systems "umbrella-folding" aircraft undercarriage

Also Published As

Publication number Publication date
CN116018302A (en) 2023-04-25
WO2021221958A3 (en) 2021-12-02
EP4139208A2 (en) 2023-03-01
US20210331785A1 (en) 2021-10-28
US11383827B2 (en) 2022-07-12
WO2021221958A2 (en) 2021-11-04

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A4 Supplementary search report drawn up and despatched

Effective date: 20240226

RIC1 Information provided on ipc code assigned before grant

Ipc: B64C 25/60 20060101ALI20240220BHEP

Ipc: B64C 25/44 20060101ALI20240220BHEP

Ipc: B64C 25/58 20060101ALI20240220BHEP

Ipc: B64C 25/10 20060101ALI20240220BHEP

Ipc: B64C 25/08 20060101ALI20240220BHEP

Ipc: B64C 25/04 20060101ALI20240220BHEP

Ipc: B64C 25/00 20060101ALI20240220BHEP

Ipc: B64C 25/02 20060101ALI20240220BHEP

Ipc: B64C 25/36 20060101AFI20240220BHEP